Air-cooling system for engines of motor vehicles



Aug. 7, W23. 39464.35?

A. H. FOX AIR COOLING SYSTEM FOR ENGINES oF-MOTOR VEHCLES Filed June 2l, 1921 Sheets-Sheet l ll` ll HM IHHHEIHEIllmllIEIITIIIIIIIIIIIIIIIIIIIIiI LIrl Y WIIIIIIIIIIII ug. 7, E923. v HAMLBS? A. H. FOX

AIR COOLING SYSTEM FOR ENGINES OF MOTOR VEHICLES Filed June 21. 1921 3 Sheets-Sheet 2 Zr-w@ n@ r:

Aug. 7, W23. l BAMS? A. H. Fox l AIR COOLING SYSTEM FOR ENGINES OF MOTOR VEHICLES Filed June 2l 1921 3 Sheets-Sheet 5 Patented Ang, '7, i923,

UNET@ STATES Paritair ortica;

ANSELEY `H. FQX, 0F PHILADELPHIA, PENNSYLVANA, ASSXGNOR T0 FOX MUTUI@ CAR COMPANY, 0F PHILADELPHIA, PENNSYLVANIA, .A CORPRATION 0F DELA- WARE.

'AIB-COULKNG SYSTEM FOR FNGENJS 0F MOTOR VEHCLES.

Application led June 21,' 1991. Serial No. 479,157.

To all whom it may concern.'

Be it known that li, ANsLnr H. Fox, a citizen of the United States, residing at Philadelphia, in the county of Philadelphia and State of Pennsylvania, have invented cer-l tain new and useful Improvements in .Air- Cooling Systems for Engines of Motor Vehicles, of which the following is a specication.

This invention relates to new, novel and efficient means for cooling explosive engines, and is especially designed for use as an air cooling system for the internal combustion en in'es of motor vehicles.

he prime object of the invention is to provide simple, novel, durable and thoroughly efhcient means located at the front portion of a motor vehicle for cooling by air a multicylinder engine in which the cylinders are arranged in tandem, and by .such means that the'air at atmospheric temperature will be forced under pressure into an air sealed chamber and will be distributed in contact with all of the cylinders so as to simultaneously impart the same cooling ef feet thereto. i

Another object of the invention is to provide means located at the front of the vehicle for maintaining the circulation of air under forced pressure around and past each engine cylinder at speed proportionate to the speed of the engine, and the lconstruction is such that l am enabled to take advantage of the motion of the vehicle to increase the volume of the cooling currentof air.

A further object of the invention is to so construct my novel air cooling means that a separable sealed air cooling chamber is formed above and around the several cylinders, said chamber being provided with means whereby access may easily and readily behad to the engine valves for the purpose of renewal or repair.

A further object of this invention is to provide novel means for utilizing air to cool motor cylinders as a substitute for the water and other liquid cooling systems7 without requiring' any radical departure in the exterior design of motor vehicles and without requiring material changes in motor construction heretofore employed.

A further object of the invention is to provide a novel scroll fan casing at the front of the vehicle, whereby an increased volume of air. may be forced by the fan into the air sealed chamber and distributed around and past each engine cylinder, thus furnishing simultaneously the same cooling effect to each of the cylinders.

The foregoing and such other objects as may appear from the ensuing-description are accomplished by the novel features of construction, arrangement, location and combination of the parts hereinafter more fully described, illustrated-in the' accompanying drawings and particularly pointed out in' the claims appended hereto, it being understood that slight changes in the precise form, proportions, 'and minor` details of the construction may be resorted to without departing from the spirit or sacriiicing any of the advantages of the invention.

ln the accompanying drawings which form a part of the specification it will be seen that:

Figure l is a longitudinal sectional elevation of the means embodying my invention.

Figure 2 is a longitudinal sectional plan vtaken on the plane of the dotted lines H--lUL Figure l.

Figure 3 is a sectional elevation taken on the plane of the dotted lines lill-Hl, Figure' l, and

Figure i is a sectional elevation taken on the plane of the dotted lines lV-llV, Figure 1.

Similar numerals of reference are em ployed to designate corresponding parts throughout the several igures of the drawm s.

n the embodiment of my novel air cooling system for internal combustion engines utilized in connection with motor vehicles, ll employ a hood l mounted in any suitable Veo manner at the front end portion of the vehicle, and ixedly secured to the crank shaft fcasing 2 at the front thereof, is a scrollshaped casing 3,which surrounds the crank shaft 4, and at the front end portion of said shaft is suitably mounted an air forcing fan .'i, for the purpose hereinafter described. Upon the upper end of the casing 3 is xedly mounted a longitudinal casing 6, said casing 6 being provided with an inner vertical extension 7 adapted to direct the air upwardly through the passage-way 6 between the artition and the front end of the casing 6. lounted upon the upper end ofthe casing 6 is a longitudinal cast metal trough-shaped housing or carrying member 8, provided with a bearing 11 at each end thereof for the reception of a valve actuating cam shaft 12, provided with suitable cams 13 arranged at intervals throughout its length, adapted toocontact with and properly actuate the engine tappet valves 13' as will be readily understood, saidl cam shaft being actuated by the crank shaft, throughthe medium of such means as is shown in Fig. 1, connectin -the crank shaft with the cam shaft.

o' the upper flanged surface 14 of the trough-shaped housing member 8, is fixedly secured a suitable cover plate 15, and to said cover plate is detachably secured the innerl upper ed es of the sheet metal dome-shaped member forming a separable air-sealed chamber 8', each lower edge 7 of said member 7 beingy detachably secured to a longitudinally arranged depending member 15 formed with downwardly and inwardly inclined or funnel-shaped upper side walls 16, and'with depending concave side walls 17 which partially surround each of the engine cylinders and adapted to guide the air which is forced b the fan into the sealed air chamber 8 with the outer surface ofv each engine cylinder 9 and its radiating fins 9 and out at the bottom thereof, thereby absorbing the heat from the engine cylinders and the heatedv lparts of the engine and efl'ectually keeping them in a properly cooled condition at all times.

It will be perceived that by detaching v theinner upper edge of the dome-shaped member 7 at either side thereof, it may be swung open onits hinges at 18 so that access may be had to the valves and upper parts of the engine, and the concave depending portion of said member, while it partially surrounds each engine cylinder, it is open above the cylinders, and is lixedly secured by weldingrbrazingg or an the inner side wal s of the longitudinal de pending member 15', as shown in Fig. 2.

It will be seen .that the air forcing fan 5 is eccentrically mounted within and with re# lation to the scroll casing 3 at the front end portion of the crank shaft, said fan being ownwardly into contact other suitable manner to y crease in the`capacity of the air space, thus allow-ing the fan to gather and constantly force a volume of air upwardly and into the air sealed chamber for distribution around, in contact with, and past each engine cylinder, the speed of the fan being commensurate with the speed of the engine, hence the greater the speed attained by the engine 1 the greater the volume of air isforced into the separable air sealed chamber and in contact with and past the engine cylinders, thereby maintaining the cylinders and working parts of the engine at all times and under all conditions thoroughly cooled condition, as will be readiin a` ly obvious to every one skilled in the art to which thisinvention pertains.

It will be understood thatV suitable devices are employed in connection with the hood, at the front,portion thereof, for preventing the entrance of solid" particles or foreign matter which may have a tendency to clog 'or injuriously affect the working parts of the engine.

By the employment ofthe novel means hereinbefore described, it will be 'clearly evident that as long as the engine is in operation a suicient quantity of air is forced into the air sealed chamber and into contact with the radiating fins and walls of the engine cylinders and working parts of the engine to maintain said parts in a properly cooled condition, and as the speed of thel'engine is increasedvthe volume'of air forced through the air sealed chamber is also correspondingly increased, whereby said 'parts are effectively 4cooled at all times and under all conditions. i V

Itlwill also be seen that the dome-shaped sheet metal member 7 is hinged to the upper edge portion of the member 7 f and that said member 7 is detachably secured at its lower edge to the upper edge of the depending member 15', by suitable fasteni means 19, the lower edge ofthe member and the upper edge of the member 15A being oppositely recessed at 20 to formopenings for the passage of the intake pipes 21 and exhaust pipes 22, respectively.

Having thus described my invention what I claim and desire to secure by Letters Patent is 1. An air cooling system for engines of motor vehicles, comprisingl a crank shaft and casing therefor, a scroll casing secured to the front end of 'the crank shaft casing, a casing mounted upon said scroll casing formed with an inner vertical extension extending above the engine cylinders, 'a

lll)

incase? separable air sealing member mounted on' .said casing, and a fan mounted on the front and a fan mounted on the front end of said cranlr shaft.

3. An air cooling system for en ines of motor vehicles, comprising a cran shaft and casing therefor, a scroll casing secured at the front end of the vehicle to said crank shaft casing, a casing mounted upon said scroll casing formed with an inner vertical extension pro'ecting above the engine cylinders, a separa le air sealing member mount-A ed upon said casing forming an air chamber above all of the said cylinders, and a fan mounted on the front end of said cranlr shaft.

d, An air cooling system for engines of motor vehicles, comprising a cranh shaft and casing therefor, a scroll casing iixedly secured tothe shaft casing at the front end of the vehicle, a casing mounted upon said scroll casing formed with an inner upright extension projectingabove the engine cylinders, a separable dome-shaped air sealing member mounted upon said casing and forming a longitudinal air chamber above all of the engine cylinders, and a fan mounted on the front end of said crank shaft,

5, An air cooling system for engines of motor vehicles, comprising a crank shaft and casing therefor, a scroll casing finedly` secured to the front end of the shaft casing, a' casing mounted upon said scroll casing formed with an inner verticalextension proiecting above the engine cylinders, a

separable air sealing member mount/ed upon' said casing formed with removable covers and a series of openings thenethrough and adapted to form a longitudinal air chamber above all of the engine cylinders, and a fan mounted on the front end of said cranlr shaft vvithin the scroll casing.

6. An air cooling system of the character described for motor vehicles comprising a cranh shaft and casing therefor, a scroll casin mountednt the front end portion of the vehicle to the shaft casing, a casing xedly mounted thereon, a separable air sealing member mounted on said casing forming a longitudinal air chamber above all of the cylinders, removable hinged covers forming` a part of said member, depending members secured. to said covers and provided with means partially surrounding all of the cyl-l inders and a fan mounted on the crank shaft eccentrically disposed Within the scroll casing for forcing air through said chamber and simultaneously into contact with each engine cylinder and below said depending members. l

7. An air cooling system of the character described for motor vehicles comprising a crank shaft and casing therefor, a scroll casing mounted at the front end portion of the vehicle to the shaft casing, a casing mounted thereon formed With'an inner vertical entension adapted to form an air passage-Way extending above the engine cylinders, a separable air sealing member mounted on the last named ycasing forming a longitudinal air chamber, a trough-shaped cam shaft housing mounted Within Isaid chamber, a cover fon said housing, hinged removable doors forming a part of said member and secured to said cover, and a fan mounted on the front end of the crank shaft and eccentrically disposed Within the scroll casing for forcing air through said air chamber..

8. An air cooling system of the character described for motor vehiclescomprising a crank shaft and casing therefor, a scroll casing nXedly mounted at the front end portion of the vehicle to the shaft casing, a

casing mounted thereon formed with an in-4 ner vertical extension, a separable air sealing member mounted on the last named casing formed with hinged removable covers and forming a longitudinal air chamber, downwardly and inwardly inclined depending members formed With. a series lof openings therethrough and concave portions partially surrounding each engine cylinder detachably secured to said sealing member, and a fan mounted on the front end of the cranlr shaft Within the scroll casing for forcing air through said air chamber and belovvthe depending members..

9. An air cooling system of the character described for motor vehicles comprising -a cranh shaft and casing therefor, a scroll casing nedly mounted at the front end por-v tion of the vehicle to the shaft casing, a casing mounted thereon formed With an inner vertical extension, a separable air seahng member mountedon the last named Casin vcasing hxedly secured to the crank case at the front thereof, a casing mounted thereon Jformed `With an inner vertical extension terminating above the engine cylinders, a separable air sealing member secured to the last named easing forming a longitudinal air chamber above all of the engine cylinders, a longitudinal trough-shaped4 housing mounted Within said chamber, hinged removable covers secured to said housing, detachable depending members provided with cylinders and out below the said dependingl members;

ANSLEY H. FOX. 

